| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 777.29 | USD | 20251201 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 777.29 | USD | 20251201 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 734.89 | USD | 20251201 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 961.01 | USD | 20251201 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 734.89 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 791.42 | USD | 20251201 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251130 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251130 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 692.2 | USD | 20251130 |